MLA

Hartmann, Arnulf. Sources to the Martyrs of the Order of St. Augustine Since the Great Union 1256. S.l: B. C. Ladner, 1968.

APA

Hartmann, A. (1968). Sources to the martyrs of the Order of St. Augustine since the Great Union 1256. S.l: B. C. Ladner.

Chicago

Hartmann, Arnulf comp. Sources to the Martyrs of the Order of St. Augustine Since the Great Union 1256. S.l: B. C. Ladner, 1968.